Temperature Equipment Corporation (TEC) is a wholesale HVAC distribution company headquartered serving Illinois, Indiana, Wisconsin, Minnesota, Kansas, Missouri, and Michigan. We are a One Stop Shop for all HVAC needs from residential to commercial to industrial including equipment, controls, parts and supplies. Since 1935, Temperature Equipment Corporation (TEC) has been a premier distributor of Carrier Corporation. Over the decades, major acquisitions and mergers have included Harry Alter Co., Bryant Chicago, National Excelsior Company, and Central Equipment Supply.